<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for="(page,index) of pages" :key="index">
        <div class="icon" v-for="item of page" :key="item.id">
          <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl" :alt="item.desc"/>
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
  export default {
    name: "HomeIcons",
    props: {
      list: Array,
    },
    data: function () {
      return {
        swiperOption: {},
      }
    },
    computed: {
      pages: function () {
        const pages = [];
        this.list.forEach((item, index) => {
          const page = Math.floor(index / 8)
          if (!pages[page]) {
            pages[page] = []
          }
          pages[page].push(item)
        })
        return pages
      }
    },
  }
</script>

<style lang="stylus" scoped>
  @import "~styles/varibles.styl"
  @import "~styles/mixins.styl"

  .icons >>> .swiper-container
    overflow hidden
    height 0
    padding-bottom 50%

  .icons
    margin-top .1rem

  .icon
    height 0
    position relative
    overflow hidden
    width 25%
    float: left;
    padding-bottom 25%

    .icon-img
      position absolute
      top 0
      left 0
      right 0
      bottom .44rem
      box-sizing border-box
      padding .1rem

      .icon-img-content
        display block
        margin 0 auto
        height 100%

    .icon-desc
      position absolute
      left 0
      right 0
      bottom 0
      height .44rem
      line-height .44rem
      text-align center
      color $darkTextColor
      ellipsis()
</style>
